// Copyright 2022 Google LLC

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at

//     https://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <torch/extension.h>
#include <vector>

torch::Tensor stacked_fc_cuda_forward(
    torch::Tensor input_feat,       // (B, Cin)
    torch::Tensor input_idx,        // (B, K)
    torch::Tensor weights,          // (B, Cin, Cout)
    torch::Tensor bias);            // (B, 1, Cout)
